-ic a-a a-b a-c a-i aaa aab aac aad aag aai aan aao aar ab- aba abb abc abd abg abi abn abo abr ac- aca acb acc acd acg aci acn aco acr ad- ada adb adc add adg adi adn ado adr ag- aga agb agc agd agg agi agn ago agr ai- aia aib aic aid aig aii ain aio air an- ana anb anc and ang ani ann ano anr aoa aob aoc aod aog aoi aon aoo aor ar- ara arb arc ard arg ari arn aro arr baa bab bac bad bag bai ban bao bar bba bbb bbc bbd bbg bbi bbn bbo bbr bca bcb bcc bcd bcg bci bcn bco bcr bda bdb bdc bdd bdg bdi bdo bdr bga bgb bgc bgd bgg bgi bgn bgo bgr bi- bia bib bic bid big bii bin bio bir bna bnb bnc bnd bng bni bnn bno bnr boa bob boc bod bog boi bon boo bor bra brb brd brg bri brn bro brr c-- caa cab cac cad cag cai can cao car cba cbb cbc cbd cbg cbi cbn cbo cbr cca ccb ccc ccd ccg cci ccn cco ccr cda cdb cdc cdd cdg cdi cdn cdo cdr cga cgb cgc cgd cgg cgi cgn cgo cgr ci- cia cib cic cid cig cii cin cio cir cn- cna cnb cnc cnd cng cni cnn cno cnr co- coa cob coc cod cog coi con coo cor cra crb crc crd crg cri crn cro crr daa dab dac dad dag dai dan dao dar dba dbb dbc dbd dbg dbi dbn dbo dbr dca dcb dcc dcd dcg dci dcn dco dcr dda ddb ddc ddd ddg ddi ddn ddo ddr dga dgc dgd dgg dgi dgn dgr di- dia dib dic did dig dii din dio dir dna dnb dnc dnd dng dni dnn dno dnr doa dob doc dod dog doi don doo dor dra drb drc drd drg dri drn dro drr g-d gaa gab gac gad gag gai gan gao gar gba gbc gbd gbg gbi gbn gbo gbr gca gcb gcc gcd gcg gci gcn gco gcr gda gdb gdc gdd gdi gdn gdo gdr gga ggb ggc ggd ggg ggi ggn ggo ggr gia gib gic gid gig gii gin gio gir gna gnb gnc gnd gni gnn gno gnr goa gob goc god gog goi gon goo gor gra grb grc grd grg gri grn gro grr i-d ia- iaa iab iac iad iag iai ian iao iar iba ibb ibc ibd ibg ibi ibn ibo ibr ica icb icc icd icg ici icn ico icr ida idb idc idd idg idi idn ido idr iga igb igc igd igg igi ign igo igr iia iib iic iid iii iin iio iir in- ina inb inc ind ing ini inn ino inr io- ioa iob ioc iod iog ioi ion ioo ior ir- ira irb irc ird irg iri irn iro irr n-i naa nab nac nad nag nai nan nao nar nba nbb nbc nbd nbg nbi nbn nbo nbr nca ncb ncc ncd ncg nci ncn nco ncr nda ndb ndc ndd ndg ndi ndn ndo ndr nga ngb ngc ngd ngg ngi ngn ngo nia nib nic nid nig nii nin nio nir nna nnb nnc nng nni nnn nno no- noa nob noc nod nog noi non noo nor nra nrb nrc nrd nrg nri nrn nro nrr o-i oaa oab oac oad oag oai oan oao oar ob- oba obb obc obd obg obi obn obo obr oc- oca ocb occ ocd ocg oci ocn oco ocr oda odb odc odd odg odi odn odo odr oga ogc ogd ogg ogi ogn ogo oia oib oic oid oii oin oio oir on- ona onb onc ond ong oni onn ono onr oo- ooa oob ooc ood oog ooi oon ooo oor or- ora orb orc ord org ori orn oro orr ra- raa rab rac rad rag rai ran rao rar rba rbb rbc rbd rbg rbi rbn rbo rbr rca rcb rcc rcd rcg rci rcn rco rcr rda rdb rdc rdd rdg rdi rdn rdo rdr rga rgb rgc rgd rgg rgi rgn rgo rgr ria rib ric rid rig rii rin rio rir rna rnb rnc rnd rng rni rnn rno rnr roa rob roc rod rog roi ron roo ror rra rrb rrc rrd rrg rri rrn rrr